Table 3.

Logistic regression results for interaction terms between the maternal age and province of prenatal care for the choice of two types of providers: OB/GYNs (the reference category) and FP/GPs^a

Maternal age x province (ref. category: Ontario)	If age <35		If age ≥35
	Odds ratio	95% CI	Odds ratio	95% CI
Province
Atlantic	0.58*	0.47, 0.70	0.44*	0.28, 0.69
Quebec	0.92	0.74, 1.14	1.1	0.60, 2.04
Manitoba	0.56*	0.42, 0.75	0.96	0.41, 2.28
Saskatchewan	0.27*	0.21, 0.36	0.31*	0.14, 0.68
Alberta	0.45*	0.36, 0.57	0.26*	0.15, 0.43
British Columbia	0.24*	0.18, 0.31	0.24*	0.15, 0.38

^a Other regressors in the model correspond to those listed in Table 2.

* Significant at p < 0.05

** Significant at p < 0.01

OB/GYNs = obstetricians/gynaecologists; FP/GPs = family physicians/general practitioners